72293030 has 16 divisors (see below), whose sum is σ = 130371120. Its totient is φ = 28863072.

The previous prime is 72293017. The next prime is 72293057. The reversal of 72293030 is 3039227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (8148195).

Almost surely, 2^72293030 is an apocalyptic number.

72293030 is a deficient number, since it is larger than the sum of its proper divisors (58078090).

72293030 is a wasteful number, since it uses less digits than its factorization.

72293030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 72293030 is about 8502.5307997090. The cubic root of 72293030 is about 416.5803775090.

The spelling of 72293030 in words is "seventy-two million, two hundred ninety-three thousand, thirty".